77676356799 has 24 divisors (see below), whose sum is σ = 115933264512. Its totient is φ = 50064125760.

The previous prime is 77676356789. The next prime is 77676356851. The reversal of 77676356799 is 99765367677.

It is not a de Polignac number, because 77676356799 - 2⁴ = 77676356783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77676356729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145209 + ... + 420045.

It is an arithmetic number, because the mean of its divisors is an integer number (4830552688).

Almost surely, 2^77676356799 is an apocalyptic number.

77676356799 is a deficient number, since it is larger than the sum of its proper divisors (38256907713).

77676356799 is a wasteful number, since it uses less digits than its factorization.

77676356799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275887 (or 275884 counting only the distinct ones).

The product of its digits is 630118440, while the sum is 72.

The spelling of 77676356799 in words is "seventy-seven billion, six hundred seventy-six million, three hundred fifty-six thousand, seven hundred ninety-nine".